CARRIAGE TRADE: Big Rocks

One day last week, an armored car
drew up before a six-story building on Manhattan's East 51st Street.
Out stepped a mail carrier clutching a brown-wrapped package. Entering
the building, he plunked the package on the reception desk of
Jeweler Harry Winston.

Small (5 ft.), swarthy Harry Winston, one of the leading U.S. diamond
dealers, thus took possession of his biggest buy this year  the famed
gem collection of Washington's onetime No. 1 hostess, the late Evalyn
Walsh McLean. As usual, he had shipped it to himself by mail (postage:
$159.87,...